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DVI光纤设备还需要使用光纤交换机来转接信号?

date:On December 22, 2017 Source:  

   假如DVI光纤信号延长设备是用来延长信号的,那么是不是还需要其他的一些设备来进行接收信号呢,其实DVI光纤信号延长器是主要用来接收和发送一起的功能,但是这也只是一对一的信号发送与接收,如果是要实行一对多的要如何处理呢,作为DVI光纤设备的应该就不会放弃这么好用的传输方案,应该就采取了另一种一对多的设备作为收发。

If the DVI optical signal extension device is used to extend the signal, is not it still need some other equipment to receive signals, in fact, DVI optical fiber signal extender is mainly used to receive and send together, but this is only one One of the signal sent and received, if it is to implement one-to-many how to deal with it, as a DVI fiber optic equipment should not give up so easy to use transmission scheme should take another one to many devices As send and receive.

光纤交换机

   一般来说除点对点连接延长外该设备也支持进行一对多的高清音视频的传递,但是就需要用到千兆光纤交换机进行中继,那什么是光纤交换机呢,光纤交换机是一种高速的网络传输中继设备,它较普通交换机而言采用了光纤电缆作为传输介质。光纤传输的优点是速度快、抗干扰能力强。

In general, in addition to point-to-point connection extension, the device also supports one-to-many high-definition audio and video transmission, but you need to use Gigabit optical switch to relay, then what is a fiber switch it, the optical switch is a high-speed Network transmission relay equipment, it uses a fiber optic cable as a transmission medium than ordinary switches, the advantages of optical fiber transmission is fast, anti-interference ability.


   在以前我们见到的数据存储基本上都是在服务器上直接连接几个SCSI、IDE之类的磁盘进行的,这也就是我们常常听说的DAS(直接连接存储)方式。这种点对点的磁盘系统很显然存在着很难扩展和存储性能很难提高的不足。不仅如此,受IDE和SCSI接口物理性能的限制,与它连接的磁盘通常最多只能有20米以内的连接距离,大大限制了磁盘存储系统的扩展。

In the past we have seen the data storage is basically a direct connection to the server several SCSI, IDE disk, which is what we often hear DAS (direct connection storage) approach. This point-to-point disk system is obviously difficult to expand and storage performance is difficult to improve the lack of. Not only that, due to the physical limitations of the IDE and SCSI interfaces, the disks attached to it usually have a maximum connection distance of up to 20 meters, greatly limiting the expansion of a disk storage system.


   为了解决以上DAS存储方式的这些诸多不足,网络设备商和标准制定专家开始考虑开发一种新型的存储技术,从根本上解决DAS存储方式的传输速率和连接距离问题。最开始人们想到是一种把存储系统独立起来,作为一个网络设备放在网络节点上,这样既可以大大减少服务器的数据存储负荷,又可以极大地扩展磁盘存储系统,这就是后来的NAS(网络附加存储)方式。

In order to solve these problems of the above DAS storage methods, network equipment vendors and standard-setting experts have started to consider developing a new type of storage technology that fundamentally solves the problem of transmission rate and connection distance of the DAS storage method. At first, people think of a storage system as a stand-alone, as a network device on the network node, which can greatly reduce the server's data storage load, but also can greatly expand the disk storage system, which is later NAS (Network Additional storage) method.


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